The count of fatalities from the storm slowly began to rise as the water level receded in some area underpasses.

The Harris County Medical Examiners office remove at least one body from a car at the 610 North ramp near Westpark Drive, after drivers got trapped in flood waters in that location, Monday, April 18, 2016, in Houston.

Walter Norman holds his head in his hands as flood waters and oil float past his apartment in the Greenspoint area Monday, April 18, 2016 in Houston.

Walter Norman holds his head in his hands as flood waters and oil float past his apartment in the Greenspoint area Monday, April 18, 2016 in Houston.

Photo: Michael Ciaglo, Houston Chronicle

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Authorities began to answer the call for help, setting up shelters in Northwest Houston.

People evacuate from Arbor Court Apartments in the Greenspoint area Monday, April 18, 2016, in Houston.

Authorities began to answer the call for help, setting up shelters in Northwest Houston.

People evacuate from Arbor Court Apartments in the Greenspoint area Monday, April 18, 2016, in Houston.

Photo: Melissa Phillip, Houston Chronicle

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People evacuate from Arbor Court Apartments in the Greenspoint area Monday, April 18, 2016, in Houston.

People evacuate from Arbor Court Apartments in the Greenspoint area Monday, April 18, 2016, in Houston.

Photo: Melissa Phillip, Houston Chronicle

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The Meyerland area was again hit hard by the flooding, destroying many of the repairs that had been done after last year's May flood.

Lindsay Ellard becomes emotional as she embraces her 16-month-old son Henry, after they were evacuated from their Meyerland home, Monday, April 18, 2016, in Houston. "This is his second flood like this," she said.

Linda Rodriguez, far right, along with other family members, react after seeing a white SUV, that is believed to belong to a 25-year-old family member, that was towed from the off ramp from the West Park Toll Way onto Post Oak Blvd. Tuesday, April 19, 2016, in Houston. The SUV was submerged in flood water caused by the recent storm. Tuesday, April 19, 2016, in Houston, Texas.

New threats from flooding became apparent west of Houston as area rivers swelled from continuing rain across Texas.

A truck sticks out of the floodwater at I-10 in Brookshire, after it was pulled up by a tow truck and members of the Texas Task Force 1, checked for possible victims, Tuesday, April 19, 2016, in Brookshire.

Jazz Chapel, holds her baby, Jaynna, while picking up a slice of pizza being served by Houston Texans players in the shelter at the M.O. Campbell Center on Wednesday, April 20, 2016, in Houston. The players handed out gift cards, pillows and served pizza. less

Jazz Chapel, holds her baby, Jaynna, while picking up a slice of pizza being served by Houston Texans players in the shelter at the M.O. Campbell Center on Wednesday, April 20, 2016, in Houston. The players ... more

Photo: Brett Coomer, Houston Chronicle

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Thursday Morning: The Colorado River swells over its banks and a new round of evacuations in a new part of the region begin.

Lower Colorado River Authority push a rescue boat to deeper waters as they go search for neighbors who ignored the evacuation notice on Thursday, April 21, 2016, in Wharton.

Aaron Phillips carries his step son J'Dynn through the water as they evacuate their home on Thursday, April 21, 2016, in Wharton.

Aaron Phillips carries his step son J'Dynn through the water as they evacuate their home on Thursday, April 21, 2016, in Wharton.

Photo: J. Patric Schneider, For The Chronicle

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Evacuation orders were given in Wharton on Thursday.

Linda Sanders yells at her husband as she refuses to leave her home while members of the Lower Colorado River Authority check in on her as the Colorado River floods onto the street in her neighborhood on Thursday, April 21, 2016, in Wharton.

A new threat to west Houston develops as the Addicks and Barker Resevoirs begin to reach their limits.

A man throws a cast net into the Buffalo Bayou with the Barker Dam and Barker Reservoir in the background Thursday, April 21, 2016, in Houston, Texas. The Barker Reservoir and Barker Dam in conjunction with the Addicks Reservoir prevent downstream flooding of Buffalo Bayou in the City of Houston.

Bill Krampe, engineer for the Army Corps of Engineers, opens one of the levy's by a foot out of the Addicks Reservoir on Thursday, April 21, 2016, in Houston. The reservoir was at a record depth after this week's rainfall. less

Bill Krampe, engineer for the Army Corps of Engineers, opens one of the levy's by a foot out of the Addicks Reservoir on Thursday, April 21, 2016, in Houston. The reservoir was at a record depth after this ... more

Photo: Elizabeth Conley, Houston Chronicle

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Photos tell story of Houston's historic Tax Day Floods

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When Houstonians awoke Monday morning, they were greeted by a deluge of water that few could have expected.

As the rain continued to pour, water swamped roads and pushed Harris County’s creeks and bayous well beyond their banks and into surrounding neighborhoods.

Throughout the day, Houston Chronicle photographers headed into the storm to capture images of flooded roads, stranded cars and daring rescues of people, pets and wildlife.

Take a look back at the historic Tax Day Flood as documented by Houston Chronicle photographers.